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Melt temperature 232 °C declined

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Process agent·Line B·Tool T3·Melt temperature 236 to 232 °C·14:00StayDeclined

Lower melt temperature from 236 to 232 °C

Lower melt temperature to save heater energy.

EV-B-1988
Expected result
EstimatedScrap rate3.5 %90% interval 3 to 4.1
Spec 0 to 4 % (dashed). Driven by Melt temperature, Tool temperature.
Why this confidence
Method
Optimiser opt 2.3.9; band from the model of the machine; weakest input estimated
Model fit
Accepted, four checks passed
Safety filter
Passed: Inside signed band
Evidence
EV-B-1988
Limits
Melt temperature236 °Cto 232 °C
225248
Signed by Plant head A. · 20 SeptNowProposed
If stoppedNothing was written.
DeclinedShift lead A.: New resin lot on the line; not changing two things at once.
NoticedProposedWaitingDeclined

Signed limits on Line B

Stamped works inside limits set beforehand. It may narrow, never widen.
Signed limits
SettingSignedStamped narrowingSigned byVersionExpires
Melt temperature225 to 248 °CNonePlant head A. · 20 Septv1 · manifest-demo-v7#B120 Dec
Hold pressure600 to 860 bar640 to 820 barPlant head A. · 20 Septv1 · manifest-demo-v7#B220 Dec
Cycle time30 to 38 sNonePlant head A. · 20 Septv2 · manifest-demo-v7#B320 Dec

Line B · Moulding

Proposing
Scrap rate, last 24 runs
Housing B-40 · Tool T3 running, 1,840 parts this shift

History

16 Oct 14:00Proposed by optimiser opt 2.3.9
16 Oct 15:00Declined by Shift lead A.
20 Oct 10:53Declined proposal · Shift lead A.
18 Oct 21:29Declined proposal · Shift lead A.
17 Oct 08:05Declined proposal · Shift lead A.
15 Oct 18:41Declined proposal · Shift lead A.
14 Oct 05:17Declined proposal · Shift lead A.

Evidence on demand

Opens in Process
Hold pressure 720 bar, Line BImprovedR3Open the four questions